#!/usr/bin/python from sfa.util.xrn import Xrn, hrn_to_urn, urn_to_hrn from sfa.util.sfatime import utcparse, datetime_to_string from sfa.util.sfalogging import logger from sfa.rspecs.rspec import RSpec from sfa.rspecs.elements.hardware_type import HardwareType from sfa.rspecs.elements.node import NodeElement from sfa.rspecs.elements.link import Link from sfa.rspecs.elements.sliver import Sliver from sfa.rspecs.elements.login import Login from sfa.rspecs.elements.location import Location from sfa.rspecs.elements.position_3d import Position3D from sfa.rspecs.elements.interface import Interface from sfa.rspecs.elements.pltag import PLTag from sfa.rspecs.elements.lease import Lease from sfa.rspecs.elements.granularity import Granularity from sfa.rspecs.elements.channel import Channel from sfa.rspecs.version_manager import VersionManager from sfa.nitos.nitosxrn import NitosXrn, hostname_to_urn, hrn_to_nitos_slicename, slicename_to_hrn, channel_to_urn from sfa.planetlab.vlink import get_tc_rate from sfa.planetlab.topology import Topology import time class NitosAggregate: def __init__(self, driver): self.driver = driver def get_slice_and_slivers(self, slice_xrn): """ Returns a dict of slivers keyed on the sliver's node_id """ slivers = {} slice = None if not slice_xrn: return (slice, slivers) slice_urn = hrn_to_urn(slice_xrn, 'slice') slice_hrn, _ = urn_to_hrn(slice_xrn) slice_name = hrn_to_nitos_slicename(slice_hrn) slices = self.driver.shell.getSlices({'slice_name': slice_name}, []) # filter results for slc in slices: if slc['slice_name'] == slice_name: slice = slc break if not slice: return (slice, slivers) reserved_nodes = self.driver.shell.getReservedNodes( {'slice_id': slice['slice_id']}, []) reserved_node_ids = [] # filter on the slice for node in reserved_nodes: if node['slice_id'] == slice['slice_id']: reserved_node_ids.append(node['node_id']) # get all the nodes all_nodes = self.driver.shell.getNodes({}, []) for node in all_nodes: if node['node_id'] in reserved_node_ids: slivers[node['node_id']] = node return (slice, slivers) def get_nodes(self, slice_xrn, slice=None, slivers=None, options=None): if slivers is None: slivers = {} if options is None: options = {} # if we are dealing with a slice that has no node just return # and empty list if slice_xrn: if not slice or not slivers: return [] else: nodes = [slivers[sliver] for sliver in slivers] else: nodes = self.driver.shell.getNodes({}, []) # get the granularity in second for the reservation system grain = self.driver.testbedInfo['grain'] #grain = 1800 rspec_nodes = [] for node in nodes: rspec_node = NodeElement() site_name = self.driver.testbedInfo['name'] rspec_node['component_id'] = hostname_to_urn( self.driver.hrn, site_name, node['hostname']) rspec_node['component_name'] = node['hostname'] rspec_node['component_manager_id'] = Xrn( self.driver.hrn, 'authority+cm').get_urn() rspec_node['authority_id'] = hrn_to_urn( NitosXrn.site_hrn(self.driver.hrn, site_name), 'authority+sa') # do not include boot state ( element) in the manifest rspec # if not slice: # rspec_node['boot_state'] = node['boot_state'] rspec_node['exclusive'] = 'true' # site location longitude = self.driver.testbedInfo['longitude'] latitude = self.driver.testbedInfo['latitude'] if longitude and latitude: location = Location( {'longitude': longitude, 'latitude': latitude, 'country': 'unknown'}) rspec_node['location'] = location # 3D position position_3d = Position3D({'x': node['position']['X'], 'y': node[ 'position']['Y'], 'z': node['position']['Z']}) #position_3d = Position3D({'x': 1, 'y': 2, 'z': 3}) rspec_node['position_3d'] = position_3d # Granularity granularity = Granularity({'grain': grain}) rspec_node['granularity'] = granularity # HardwareType rspec_node['hardware_type'] = node['node_type'] #rspec_node['hardware_type'] = "orbit" # slivers if node['node_id'] in slivers: # add sliver info sliver = slivers[node['node_id']] rspec_node['sliver_id'] = sliver['node_id'] rspec_node['client_id'] = node['hostname'] rspec_node['slivers'] = [sliver] rspec_nodes.append(rspec_node) return rspec_nodes def get_leases_and_channels(self, slice=None, slice_xrn=None, options=None): if options is None: options = {} slices = self.driver.shell.getSlices({}, []) nodes = self.driver.shell.getNodes({}, []) leases = self.driver.shell.getReservedNodes({}, []) channels = self.driver.shell.getChannels({}, []) reserved_channels = self.driver.shell.getReservedChannels() grain = self.driver.testbedInfo['grain'] if slice_xrn and not slice: return ([], []) if slice: all_leases = [] all_leases.extend(leases) all_reserved_channels = [] all_reserved_channels.extend(reserved_channels) for lease in all_leases: if lease['slice_id'] != slice['slice_id']: leases.remove(lease) for channel in all_reserved_channels: if channel['slice_id'] != slice['slice_id']: reserved_channels.remove(channel) rspec_channels = [] for channel in reserved_channels: rspec_channel = {} # retrieve channel number for chl in channels: if chl['channel_id'] == channel['channel_id']: channel_number = chl['channel'] break rspec_channel['channel_num'] = channel_number rspec_channel['start_time'] = channel['start_time'] rspec_channel['duration'] = ( int(channel['end_time']) - int(channel['start_time'])) / int(grain) rspec_channel['component_id'] = channel_to_urn( self.driver.hrn, self.driver.testbedInfo['name'], channel_number) # retreive slicename for slc in slices: if slc['slice_id'] == channel['slice_id']: slicename = slc['slice_name'] break if slice_xrn: slice_urn = slice_xrn slice_hrn = urn_to_hrn(slice_urn) else: slice_hrn = slicename_to_hrn( self.driver.hrn, self.driver.testbedInfo['name'], slicename) slice_urn = hrn_to_urn(slice_hrn, 'slice') rspec_channel['slice_id'] = slice_urn rspec_channels.append(rspec_channel) rspec_leases = [] for lease in leases: rspec_lease = Lease() rspec_lease['lease_id'] = lease['reservation_id'] # retreive node name for node in nodes: if node['node_id'] == lease['node_id']: nodename = node['hostname'] break rspec_lease['component_id'] = hostname_to_urn( self.driver.hrn, self.driver.testbedInfo['name'], nodename) # retreive slicename for slc in slices: if slc['slice_id'] == lease['slice_id']: slicename = slc['slice_name'] break if slice_xrn: slice_urn = slice_xrn slice_hrn = urn_to_hrn(slice_urn) else: slice_hrn = slicename_to_hrn( self.driver.hrn, self.driver.testbedInfo['name'], slicename) slice_urn = hrn_to_urn(slice_hrn, 'slice') rspec_lease['slice_id'] = slice_urn rspec_lease['start_time'] = lease['start_time'] rspec_lease['duration'] = ( int(lease['end_time']) - int(lease['start_time'])) / int(grain) rspec_leases.append(rspec_lease) return (rspec_leases, rspec_channels) def get_channels(self, slice=None, options=None): if options is None: options = {} all_channels = self.driver.shell.getChannels({}, []) channels = [] if slice: reserved_channels = self.driver.shell.getReservedChannels() reserved_channel_ids = [] for channel in reserved_channels: if channel['slice_id'] == slice['slice_id']: reserved_channel_ids.append(channel['channel_id']) for channel in all_channels: if channel['channel_id'] in reserved_channel_ids: channels.append(channel) else: channels = all_channels rspec_channels = [] for channel in channels: rspec_channel = Channel() rspec_channel['channel_num'] = channel['channel'] rspec_channel['frequency'] = channel['frequency'] rspec_channel['standard'] = channel['modulation'] rspec_channel['component_id'] = channel_to_urn( self.driver.hrn, self.driver.testbedInfo['name'], channel['channel']) rspec_channels.append(rspec_channel) return rspec_channels def get_rspec(self, slice_xrn=None, version=None, options=None): if options is None: options = {} version_manager = VersionManager() version = version_manager.get_version(version) if not slice_xrn: rspec_version = version_manager._get_version( version.type, version.version, 'ad') else: rspec_version = version_manager._get_version( version.type, version.version, 'manifest') slice, slivers = self.get_slice_and_slivers(slice_xrn) rspec = RSpec(version=rspec_version, user_options=options) if slice and 'expires' in slice: rspec.xml.set('expires', datetime_to_string( utcparse(slice['expires']))) if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases': nodes = self.get_nodes(slice_xrn, slice, slivers, options) rspec.version.add_nodes(nodes) # add sliver defaults default_sliver = slivers.get(None, []) if default_sliver: default_sliver_attribs = default_sliver.get('tags', []) for attrib in default_sliver_attribs: logger.info(attrib) rspec.version.add_default_sliver_attribute( attrib['tagname'], attrib['value']) # add wifi channels channels = self.get_channels(slice, options) rspec.version.add_channels(channels) if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources': leases_channels = self.get_leases_and_channels(slice, slice_xrn) rspec.version.add_leases(leases_channels) return rspec.toxml()